Sound:
* "Squelch": Evokes a squishy, gooey sound, often associated with something unpleasant.
* "Gnarled": A word that conjures up twisted, knotty shapes, hinting at something unnatural or menacing.
* "Cackle": The sound of a witch's laugh, often associated with evil or madness.
* "Slurp": A noisy, wet sound that can be off-putting.
Meaning:
* "Abomination": Something monstrous or horrifying, often associated with religious or moral disgust.
* "Inshadowed": Suggests being hidden in darkness or secrecy, with a hint of danger.
* "Ephemeral": Describes something fleeting or transient, emphasizing the fragility of existence.
* "Entrails": A visceral word that refers to the internal organs, evoking a sense of vulnerability and decay.
Visual:
* "Maw": The gaping mouth of a large creature, suggestive of a predatory beast.
* "Viscera": The organs of the body, often associated with decay and death.
* "Writhing": Describes contorted, twisting movements, suggestive of pain or suffering.
* "Ghoulish": Describes something associated with ghosts or the dead, implying a macabre quality.
Other:
* "Undead": A term for the resurrected or living dead, implying a violation of natural order.
* "Doppelganger": A supernatural double, often used to represent a dark or sinister side of oneself.
* "Eldritch": A word that describes something ancient, otherworldly, and mysterious.
Ultimately, what makes a word freaky is personal. These are just a few examples to get you started!